7506318769 has 2 divisors, whose sum is σ = 7506318770. Its totient is φ = 7506318768.

The previous prime is 7506318751. The next prime is 7506318773. The reversal of 7506318769 is 9678136057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6582888225 + 923430544 = 81135^2 + 30388^2 .

It is a cyclic number.

It is not a de Polignac number, because 7506318769 - 2²³ = 7497930161 is a prime.

It is a super-2 number, since 2×7506318769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7506318749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3753159384 + 3753159385.

It is an arithmetic number, because the mean of its divisors is an integer number (3753159385).

Almost surely, 2^7506318769 is an apocalyptic number.

It is an amenable number.

7506318769 is a deficient number, since it is larger than the sum of its proper divisors (1).

7506318769 is an equidigital number, since it uses as much as digits as its factorization.

7506318769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 7506318769 is about 86639.0141275857. The cubic root of 7506318769 is about 1957.9833805956.

The spelling of 7506318769 in words is "seven billion, five hundred six million, three hundred eighteen thousand, seven hundred sixty-nine".